haskellPackages.*.env: Use shellFor

1 files changed, 6 insertions, 27 deletions

diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index 8dea5d0493b3..a3426f4e249d 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -1,5 +1,5 @@
 { stdenv, buildPackages, buildHaskellPackages, ghc
-, jailbreak-cabal, hscolour, cpphs, nodejs
+, jailbreak-cabal, hscolour, cpphs, nodejs, shellFor
 }:
 
 let
@@ -196,18 +196,10 @@ let
   isHaskellPartition =
     stdenv.lib.partition isHaskellPkg allBuildInputs;
 
-  haskellBuildInputs = stdenv.lib.filter isHaskellPkg allBuildInputs;
-  systemBuildInputs = stdenv.lib.filter isSystemPkg allBuildInputs;
-
-  # When not cross compiling, also include Setup.hs dependencies.
-  ghcEnv = ghc.withPackages (p:
-    haskellBuildInputs ++ stdenv.lib.optional (!isCross) setupHaskellDepends);
-
   setupCommand = "./Setup";
 
   ghcCommand' = if isGhcjs then "ghcjs" else "ghc";
   ghcCommand = "${ghc.targetPrefix}${ghcCommand'}";
-  ghcCommandCaps= toUpper ghcCommand';
 
   nativeGhcCommand = "${nativeGhc.targetPrefix}ghc";
 
@@ -217,8 +209,7 @@ let
       continue
     fi
   '';
-
-in
+in stdenv.lib.fix (drv:
 
 assert allPkgconfigDepends != [] -> pkgconfig != null;
 
@@ -448,23 +439,10 @@ stdenv.mkDerivation ({
     # TODO: fetch the self from the fixpoint instead
     haddockDir = self: if doHaddock then "${docdir self.doc}/html" else null;
 
-    env = stdenv.mkDerivation {
-      name = "interactive-${pname}-${version}-environment";
-      buildInputs = systemBuildInputs;
-      nativeBuildInputs = [ ghcEnv ] ++ nativeBuildInputs;
-      LANG = "en_US.UTF-8";
-      LOCALE_ARCHIVE = optionalString (stdenv.hostPlatform.libc == "glibc") "${glibcLocales}/lib/locale/locale-archive";
-      shellHook = ''
-        export NIX_${ghcCommandCaps}="${ghcEnv}/bin/${ghcCommand}"
-        export NIX_${ghcCommandCaps}PKG="${ghcEnv}/bin/${ghcCommand}-pkg"
-        # TODO: is this still valid?
-        export NIX_${ghcCommandCaps}_DOCDIR="${ghcEnv}/share/doc/ghc/html"
-        ${if isHaLVM
-            then ''export NIX_${ghcCommandCaps}_LIBDIR="${ghcEnv}/lib/HaLVM-${ghc.version}"''
-            else ''export NIX_${ghcCommandCaps}_LIBDIR="${ghcEnv}/lib/${ghcCommand}-${ghc.version}"''}
-        ${shellHook}
-      '';
+    env = shellFor {
+      packages = p: [ drv ];
     };
+
   };
 
   meta = { inherit homepage license platforms; }
@@ -498,3 +476,4 @@ stdenv.mkDerivation ({
 // optionalAttrs (hardeningDisable != []) { inherit hardeningDisable; }
 // optionalAttrs (stdenv.buildPlatform.libc == "glibc"){ LOCALE_ARCHIVE = "${glibcLocales}/lib/locale/locale-archive"; }
 )
+)